About Camera exposure time~?

Question: About Camera exposure time~!?

1) Exposure time for the first permanent image photography was about a) 30s to 60s b) 1s c) 30to60 minutes
d) abouth 1/1000 of a second e) 1/2 a second

2) By 1890 the exposure time for a photograph was down to about a) 1/1000 of a second b) 1 minute c) 10s
d) none of the aboveWww@QuestionHome@Com

Best Answer - Chosen by Asker:

1!. C

2!. BWww@QuestionHome@Com

I'm not in school anymore and I dont want to do anymore homework!.Www@QuestionHome@Com

If this is what they teach in school I know why I quit going!.Www@QuestionHome@Com